Biology Reference
In-Depth Information
B
LIGHT
, Thread. Pellicularia koleroga, FL.
B
LOTCH
, Leaf; Fruit Spot. Mycosphaerella
lythracearum, FL to MS, TX.
D
ECAY
. Pilidiella granati, CA.
N
EMATODE
. Meloidogyne sp., FL.
R
OT
, Fruit. Alternaria sp., CA;
Aspergillus niger, AZ, CA, TX; Botrytis
cinerea, gray mold, cosmopolitan;
Nematospora coryli, dry rot, CA; Penicil-
lium expansum, blue mold, cosmopolitan;
Coniella granati, NC.
R
OT
,
Poison Sumac (Rhus
radicans = Toxcodendron vernix)
B
LIGHT
, Canker. Botryospheria obtuse, KS,
MI, SC.
B
LIGHT
, Canker and Dieback. Amphiporthe
aculens, eastern states, IA, GA.
B
LIGHT
, Stem. Diaporthe peckii, MI.
L
EAF
S
POT
and D
IEBACK
. Discohainesia
oenotherae, eastern states, WV; Cercospora
toxicodendri,
DE;
Pseudocercospora
Root.
Clitocybe
tabescens,
FL;
rhoina, WI.
P
OWDERY
M
ILDEW
. Sphaerotheca macularis,
eastern and central states.
R
OT
, Limbs. Dendrophora albobadia,GA.
R
OT
, Root. Phymatotrichopsis omnivore, TX.
R
OT
, Trunk. Bjerkandera adusta, Range of
Host; Irpex lacteus, Range of Host;
Phellinus gilvus, MI; Schizophyllum com-
mune, Range of Host; Streccherinum
ochraceum, PA; Steccherinum ochraces-
flaveum,MD;Trametes hirsuta, Range of
Host; Trametes versicolor, Range of Host;
Trichapnum biforme, Range of Host.
Phymatotrichum omnivorum, TX.
S
POT
A
NTHRACNOSE
. Sphaceloma punicae, FL,
LA, TX.
Pond-Spice (Litsea)
L
EAF
S
POT
. Cercospora olivacea, GA.
Poplar, Aspen, Cottonwood (Populus)
B
ACTERIAL
Limb Gall. Agrobacterium
tumefaciens, CT, IA, MN, NE, TX.
B
ACTERIAL
Wetwood. Clavibacter humiferum.
B
LIGHT
,L
EAF
. Linospora tetraspora, WA.
B
LIGHT
, Shoot. Venturia populina
(
Didymosphaeria populina
), Northeast to
WI; V. tremulae; Colletotrichum
gloeosporioides, PA; Glomerella cingulata,
WA, and leaf.
B
RONZE
L
EAF
D
ISEASE
. Apioplagiostoma populi,
Alberta, Canada.
C
ANKER
, Branch and Trunk. Dothichiza populea,
most serious on Italian varieties, widespread;
Hypoxylon pruinatum, Southwest, Northeast
and Great Lakes states, AZ, CA; Nectria
cinnabarina; N. galligena; Dothiora
polyspora, CO, NM, UT.
C
ANKER
;D
IEBACK
. Botryosphaeria ribis var.
chromogena, widespread, especially in the
South; Cytospora chrysosperma (
Valsa
sordida
); prevalent on ornamental poplars;
Valsa nivea; Ceratocystis tremullo-aurea,
Rocky Mts.; C. fimbriata, MN, PA; Fusar-
ium (
Hypomyces
)
Polemonium (Jacobs-Ladder,
Greek-Valerian)
L
EAF
S
POT
. Cercospora omphakodes, PA;
Septoria
polemonii, MO, WI;
S.
polemoniicola, CT, IN, MO.
P
OWDERY
M
ILDEW
.
Golovinomyces
cichoracearum,
UT;
Sphaerotheca
macularis,WA.
R
UST
. Puccinia gulosa (III), CA; P. polemonii
(III), CA, ID, IN; Uromyces acuminatus var.
polemonii (0, I), IL, IN, IA, WI.
V
IRUS
. Tomato Spotted Wilt, PA.
W
ILT
. Fusarium sp., NJ; Verticillium albo-
atrum, NJ.
Pomegranate (Punica granatum)
A
NTHRACNOSE
;
Fruit
Spot. Colletotrichum
sp., FL.
solani,
IA;
Phomopsis
